Listen to The Bonniest Lass in a the Warld online. The Bonniest Lass in a the Warld is an Instrumental language song and is sung by David McGuinness and David Greenberg. The Bonniest Lass in a the Warld, from the album Spring Any Day Now, was released in the year 2019. The duration of the song is 3:19. Download Instrumental songs online from JioSaavn.